diff --git a/scripts/extract-srcjars.sh b/scripts/extract-srcjars.sh
index 918cf8a..f81032b 100755
--- a/scripts/extract-srcjars.sh
+++ b/scripts/extract-srcjars.sh
@@ -1,5 +1,19 @@
 #!/bin/bash -e
 
+# Copyright 2017 Google Inc. All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 # Extracts .java files from source jars in a specified directory and writes out a list of the files
 
 if [ -z "$1" -o -z "$2" ]; then